To use an automated teller machine at a certain​ bank, you must enter a 6 ​-digit ​code, using the digits 0 dash 9 . How many 6 ​-digit codes are possible if repetition of digits is​ permitted?

Answer 1

You have 10 choices for each spot so this is 10 x10 x10 x 10 x10 x 10 or 10^6 which is 100,000